/*
 * Copyright 2025 LinQingYing. and contributors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * The use of this source code is governed by the Apache License 2.0,
 * which allows users to freely use, modify, and distribute the code,
 * provided they adhere to the terms of the license.
 *
 * The software is provided "as-is", and the authors are not responsible for
 * any damages or issues arising from its use.
 *
 */

package cn.cangnova.repository.factory

import cn.cangnova.database.DatabaseFactory
import cn.cangnova.database.DatabaseType
import cn.cangnova.repository.AdminUserRepository
import cn.cangnova.repository.impl.mongo.MongoAdminUserRepository
import cn.cangnova.repository.impl.sql.SQLAdminUserRepository
import mu.KotlinLogging

/**
 * 管理员用户仓库工厂类，根据数据库类型创建对应的仓库实例
 */
object AdminUserRepositoryFactory {
    private val logger = KotlinLogging.logger {}
    private var repository: AdminUserRepository? = null
    
    /**
     * 获取管理员用户仓库实例
     * @return 管理员用户仓库实例
     */
    fun getRepository(): AdminUserRepository {
        if (repository != null) {
            return repository!!
        }
        
        try {
            val dbType = DatabaseFactory.getConfig().getType()
            logger.info { "Creating admin user repository for database type: ${dbType.name}" }
            
            repository = when (dbType) {
                DatabaseType.MONGODB -> MongoAdminUserRepository.Companion.getInstance()
                DatabaseType.MYSQL, DatabaseType.POSTGRESQL -> SQLAdminUserRepository.Companion.getInstance()
            }
            
            return repository!!
        } catch (e: Exception) {
            logger.error(e) { "获取数据库类型失败，使用MongoDB作为默认数据库: ${e.message}" }
            repository = MongoAdminUserRepository.Companion.getInstance()
            return repository!!
        }
    }
    
    /**
     * 初始化仓库
     */
    suspend fun initialize() {
        val repo = getRepository()
        when (repo) {
            is MongoAdminUserRepository -> repo.initialize()
            is SQLAdminUserRepository -> repo.initialize()
        }
    }
} 